IPDebrief

31.17.253.3

IP Intelligence Dossier
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# IP Intelligence Briefing: 31.17.253.3/32

Classification: Defensive Intelligence Assessment

Date: July 23, 2026

Subject: 31.17.253.3

## Executive Summary

Target IP 31.17.253.3 presents a low-risk profile with a risk score of 0 and no active threat indicators. The address operates as a residential mobile endpoint on Vodafone infrastructure with no open services detected. No firewall blocking or mitigation actions were recommended based on current risk assessment.

## Network Ownership and Registration

The address belongs to ASN 3209 (Kabel Deutschland RIPE) within the 31.16.0.0/15 CIDR block registered with RIR RIPE. Organization name: Kabel Deutschland RIPE. Network designation: KABEL-DEUTSCHLAND-CUSTOMER-SERVICES-24. Abuse contact information is available via RDAP.

## Geolocation Analysis

Geolocation data exhibits inconsistency across multiple sources. Primary profile indicates United States (New York) with two geolocation sources showing non-consensus positioning. Historical signals from July 23, 2026, show conflicting geographic indicators:

Mobile carrier attribution identifies Vodafone GmbH (MCC 262, MNC 02), with LTE/5G technology classification. The inconsistency between US assignment and German mobile carrier suggests potential geolocation database discrepancies or mobile roaming activity.

## Threat Intelligence Assessment

Threat indicators returned empty with zero abuse confidence score. The IP is not flagged as a known attacker, spam source, or Tor exit node. Blacklist count: 0. No known campaigns correlated. Pulsedive risk assessment unavailable. Control plane analysis shows 8 DNSBL lists referenced but zero listings, with operator score of 0.2609 (Basic classification).

## Network Classification and Services

Classification flags show the IP is not a provider, CDN, VPN, proxy, hosting service, or cloud infrastructure. Service purpose listed as "Firewalled / No Services." No open ports detected. TLS certificate, HTTP banner, and server banner data absent. DNS reverse resolution confirmed to ip1f11fd03.dynamic.kabel-deutschland.de with forward resolution confirmed. No SPF, DMARC, or TXT records present.

## Neighborhood Analysis

Subnet 31.17.253.0/24 contains 2 neighboring IPs with the following risk profiles:

Subnet abuse density: 0. No high-risk or medium-risk neighbors identified. Classification inherited from subnet: 0.

## Historical Observations

Fifteen signals recorded during observation period. Most recent signals (July 23, 2026) confirm organizational affiliation with Kabel Deutschland RIPE and ASN 3209. Signal confidence levels range from 0.52 to 0.95. No persistent malicious behavior observed. Threat persistence days: 0. Threat observation count: 0.

## Relationship Graph

Four relationship entries identified:

No organizational, hostname, or certificate relationships beyond DNS associations.

## Recommended Actions

No specific security actions or firewall rules recommended based on current risk profile. Risk score remains at 0 with no provider or authority score elevation. Standard monitoring practices sufficient.

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Analyst Notes: The IP demonstrates characteristics of residential mobile endpoint traffic on German Vodafone infrastructure. Geographic inconsistencies warrant continued monitoring but do not indicate malicious activity. Low-risk classification supports defensive monitoring rather than blocking. No immediate threat indicators present.

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.

🌍 Geolocation

Country🇩🇪 Germany
RegionBremen
CityBremen
TimezoneEurope/Berlin
Latitude51.17
Longitude10.45

🏢 Ownership & Registration

OrganizationKabel Deutschland RIPE
ASNAS3209
Network NameKABEL-DEUTSCHLAND-CUSTOMER-SERVICES-24
CIDR Block31.16.0.0/15
RIRRIPE
CountryDE
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTRip1f11fd03.dynamic.kabel-deutschland.de
Forward ConfirmedYes — FCrDNS verified
Forward Hostnamesip1f11fd03.dynamic.kabel-deutschland.de

🔐 DNS Hygiene

Hygiene Score40% (Fair)
SPFNot configured
DMARCNot configured
FCrDNSVerified
DNSSECValid
CAANot configured

☁️ Network Classification

InfrastructureMobile
Service PurposeFirewalled / No Services
Network TierUnknown — Insufficient routing data to classify
Mobile

🔌 Services & Open Ports

PortServiceProtocolBanner
No open ports detected
Server—
HTTP Title—

🔐 TLS Certificate

🔒
No certificate
Issued by —
N/A
SANsNone
Valid From—
Valid Until—

🛡️ Public Network Snapshot

Origin ASNAS3209
Network Prefix31.16.0.0/14
Route mappingFound

🎯 Confidence Breakdown

Per-dimension confidence scores based on source diversity and data freshness

DimensionScoreSourcesObservations
threat
12%
22
routing
8%
11
services
8%
11
ownership
17%
23
reputation
8%
12
geolocation
12%
22
Overall11%911
Coverage: 6/6 dimensions · Data sufficiency: sufficient
Data CoherenceConsistent (100%)
AttributionModerate (70%)
OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid

📅 Observation Timeline 🔄 Live

First Seen2026-07-04 17:24:21 UTC
Last Seen2026-08-26 21:44:30 UTC
Profile Built2026-08-29 07:25:21 UTC
Data FreshnessLive
Signal Types19
Total Observations21
🔍 19 signal types · 21 observations collected
This report is generated from 19+ independent intelligence signals including ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds, behavioral fingerprinting, and more.
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❓ Frequently Asked Questions About 31.17.253.3

Who owns the IP address 31.17.253.3?

31.17.253.3 is registered to Kabel Deutschland RIPE. The address falls within the 31.16.0.0/15 network block. Registration is held at RIPE.

Where is 31.17.253.3 located?

Geolocation data places 31.17.253.3 in Bremen, Bremen, Germany. The local time zone is Europe/Berlin. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.

Is 31.17.253.3 malicious or safe?

31.17.253.3 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.

What is the hostname for 31.17.253.3?

The reverse DNS (PTR) record for 31.17.253.3 is ip1f11fd03.dynamic.kabel-deutschland.de. This hostname is forward-confirmed, meaning it resolves back to the same address.

Is 31.17.253.3 a VPN, proxy, or data center address?

31.17.253.3 is classified as a mobile network based on network ownership and behavioural analysis.

🏘️ Related IP Addresses

Nearby addresses in 31.16.0.0/15

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ℹ️ About This Report

All data shown is publicly available network metadata — IP addresses do not reliably identify individuals. Assessments are probabilistic and should not be used as sole basis for access control decisions. To report an issue or request data review, contact admin@ipdebrief.com.